2 protocol.h -- header for protocol.c
3 Copyright (C) 1999,2000 Ivo Timmermans <itimmermans@bigfoot.com>,
4 2000 Guus Sliepen <guus@sliepen.warande.net>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 $Id: protocol.h,v 1.6 2000/10/18 20:12:09 zarq Exp $
23 #ifndef __TINC_PROTOCOL_H__
24 #define __TINC_PROTOCOL_H__
29 /* Protocol version. Different versions are incompatible,
30 incompatible version have different protocols.
33 #define PROT_CURRENT 8
35 /* Length of the challenge. Since the challenge will also
36 contain the key for the symmetric cipher, it must be
40 #define CHAL_LENGTH 1024 /* Okay, this is probably waaaaaaaaaaay too large */
45 ALL = -1, /* Guardian for allow_request */
46 ID = 0, CHALLENGE, CHAL_REPLY, ACK,
47 STATUS, ERROR, TERMREQ,
50 ADD_SUBNET, DEL_SUBNET,
51 KEY_CHANGED, REQ_KEY, ANS_KEY,
52 LAST /* Guardian for the highest request number */
55 extern int (*request_handlers[])(conn_list_t*);
57 extern int send_id(conn_list_t*);
58 extern int send_challenge(conn_list_t*);
59 extern int send_chal_reply(conn_list_t*);
60 extern int send_ack(conn_list_t*);
61 extern int send_status(conn_list_t*, int, char*);
62 extern int send_error(conn_list_t*, int, char*);
63 extern int send_termreq(conn_list_t*);
64 extern int send_ping(conn_list_t*);
65 extern int send_pong(conn_list_t*);
66 extern int send_add_host(conn_list_t*, conn_list_t*);
67 extern int send_del_host(conn_list_t*, conn_list_t*);
68 extern int send_add_subnet(conn_list_t*, conn_list_t*, subnet_t*);
69 extern int send_del_subnet(conn_list_t*, conn_list_t*, subnet_t*);
70 extern int send_key_changed(conn_list_t*, conn_list_t*);
71 extern int send_req_key(conn_list_t*, conn_list_t*);
72 extern int send_ans_key(conn_list_t*, conn_list_t*, char*);
76 extern int send_tcppacket(conn_list_t *, void *, int);
77 extern int notify_others(conn_list_t *, conn_list_t *, int (*function)(conn_list_t*, conn_list_t*));
79 #endif /* __TINC_PROTOCOL_H__ */